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anonymous

  • one year ago

n the figure below, AC is tangent to circle B. BA is a radius of circle B and A is a point of tangency. If AB is equal to 85 and AC is equal to 110, what is the approximate measure of segment BC? https://static.k12.com/eli/bb/259/3_25239/2_17287_2_25241/44412a2f55d50bd3e7d504b01a718c770488aa04/media/665b678cff372e4b2f9b44cd4da7757a722743d0/mediaasset_774452_1.jpg

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  1. anonymous
    • one year ago
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    i really need help please help

  2. welshfella
    • one year ago
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    the line joining the center of a circle to the point of contact of a tangent forms a right angle So triangle ABC is a right angled triangle with angle BAC = 90 degrees you can therefore apply the pythagoras theorem to find the measure og BC

  3. welshfella
    • one year ago
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    BC^2 = 85^2 + 110^2 solve for BC

  4. anonymous
    • one year ago
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    thanks

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